# A148291 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 13
5 35
6 104
7 325
8 1001
9 3349
10 11096
11 38054
12 131934
13 465776
14 1662856
15 5991259
16 21938339
17 80418334
18 299671530
19 1117327758
20 4216093209
21 15951410354
22 60807769952
23 232918198206
24 895690678547
25 3466333766517
26 13437818727365
27 52436893612328
28 204843782982417
29 804691347470813
30 3165995361821470